Sun-Hya is a college student who is in a passionate relationship with her classmate, Hendy. However, one day Hendy cheats on her with a girl from another class. This makes Sun-Hya Hurt and angry. Sun-Hya then released all her anger by drinking a lot of alcohol and without realizing what happened after that.In the morning, Sun-Hya woke up with a surprise when she found herself asleep in an unfamiliar room and bed with an unfamiliar man next to her. The man looked handsome.

Without wasting time, Sun-Hya quickly left the room without surprising the man and planned to forget the incident.Upon arriving at college, Sun-Hya tried to focus on her assignment. And during the subject 'CLASS MANAGEMENT', their lecturer suddenly didn't show until suddenly a tall and handsome man entered the classroom. It was the man who slept with Sun-Hya last night. Sun-Hya was silent and shocked.

Sun-Hya:'Damn.. that man is my professor...' she whispered to herself.Sun-Hya pretends not to recognize the man while reading her book.